*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg-deep:#f0f2f8;--bg:#ffffff;--bg-card:#ffffff;--bg-card-hover:#f5f5fc;
  --bg-input:#f5f5fa;--border:#e0e0ec;--border-focus:#6c5ce7;
  --text:#1a1a2e;--text-dim:#5a5a7a;--text-muted:#9898b0;
  --accent:#6c5ce7;--accent-glow:rgba(108,92,231,.18);--accent-light:#8b7cf7;
  --success:#00b894;--warning:#f0a030;--danger:#e74c3c;
  --radius:12px;--radius-sm:8px;--radius-xs:6px;
  --font-display:'Outfit',sans-serif;--font-body:'Noto Sans SC','Outfit',sans-serif;
  --shadow-card:0 2px 16px rgba(0,0,0,.06);
  --shadow-glow:0 0 20px var(--accent-glow);
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg-deep);color:var(--text);min-height:100vh;overflow-x:hidden}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#c8c8d8;border-radius:3px}
a{color:inherit;text-decoration:none}
.app-bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.app-bg::before{content:'';position:absolute;top:-40%;left:-20%;width:80%;height:80%;background:radial-gradient(ellipse,rgba(108,92,231,.06) 0%,transparent 70%);animation:bgFloat 20s ease-in-out infinite}
.app-bg::after{content:'';position:absolute;bottom:-30%;right:-10%;width:60%;height:60%;background:radial-gradient(ellipse,rgba(0,184,148,.04) 0%,transparent 70%);animation:bgFloat 25s ease-in-out infinite reverse}
@keyframes bgFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-20px)}}
.app{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}

/* Header */
header{padding:16px 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);backdrop-filter:blur(20px);background:rgba(255,255,255,.85);position:sticky;top:0;z-index:100}
.logo{display:flex;align-items:center;gap:12px}
.logo img {width:50px}
.logo-text{font-family:var(--font-display);font-size:22px;font-weight:700;letter-spacing:-.5px;background:linear-gradient(135deg,#1a1a2e,var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.header-actions{display:flex;gap:8px}
.header-btn{padding:8px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:transparent;color:var(--text-dim);font-size:13px;cursor:pointer;transition:all .2s;font-family:var(--font-body)}
.header-btn:hover{border-color:var(--accent);color:var(--text);background:rgba(108,92,231,.06)}
.header-btn.danger{color:var(--danger);border-color:rgba(231,76,60,.3)}
.header-btn.danger:hover{background:rgba(231,76,60,.08);border-color:var(--danger)}

/* Login Page */
.login-page{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{width:100%;max-width:420px;background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow-card);overflow:hidden}
.login-header{padding:40px 32px 20px;text-align:center}
.login-subtitle{font-size:14px;color:var(--text-muted);margin-top:8px}
.login-body{padding:20px 32px 40px}
.section-title{font-family:var(--font-display);font-size:14px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.section-title::before{content:'';width:3px;height:14px;border-radius:2px;background:var(--accent)}
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:13px;font-weight:500;color:var(--text-dim);margin-bottom:8px}
.form-input{width:100%;padding:14px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-input);color:var(--text);font-size:15px;font-family:var(--font-body);transition:border-color .2s,box-shadow .2s}
.form-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.form-input::placeholder{color:var(--text-muted)}
.login-btn{width:100%;padding:16px;border-radius:var(--radius);border:none;background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s;font-family:var(--font-body);position:relative;overflow:hidden}
.login-btn:hover{transform:translateY(-1px);box-shadow:0 8px 30px var(--accent-glow)}
.login-btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.login-btn .btn-shimmer{position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}
.login-btn:hover .btn-shimmer{left:100%}
.login-hint{text-align:center;font-size:12px;color:var(--text-muted);margin-top:16px}

/* Profile Page */
.profile-main{flex:1;padding:28px 32px;max-width:800px;margin:0 auto;width:100%}
.profile-card{display:flex;align-items:center;gap:20px;padding:24px;background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow-card);margin-bottom:28px}
.profile-avatar{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#a29bfe);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;color:#fff;font-family:var(--font-display);flex-shrink:0}
.profile-info{flex:1;min-width:0}
.profile-mobile{font-size:18px;font-weight:600;margin-bottom:6px}
.profile-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.profile-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;background:rgba(108,92,231,.1);color:var(--accent)}
.profile-time{font-size:12px;color:var(--text-muted)}
.recharge-btn{padding:10px 24px;border-radius:var(--radius-sm);border:none;background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;font-family:var(--font-body);white-space:nowrap}
.recharge-btn:hover{box-shadow:0 4px 16px var(--accent-glow);transform:translateY(-1px)}

/* Tabs */
.tab-bar{display:flex;gap:4px;margin-bottom:20px;background:var(--bg-input);padding:4px;border-radius:var(--radius-sm)}
.tab-btn{flex:1;padding:10px;border-radius:var(--radius-xs);border:none;background:transparent;color:var(--text-muted);font-size:13px;cursor:pointer;transition:all .2s;font-family:var(--font-body);font-weight:500}
.tab-btn:hover{color:var(--text-dim)}
.tab-btn.active{background:var(--bg-card);color:var(--accent);box-shadow:0 2px 8px rgba(0,0,0,.06);font-weight:600}
.tab-badge{display:inline-block;min-width:18px;height:18px;line-height:18px;padding:0 5px;border-radius:9px;background:var(--accent);color:#fff;font-size:11px;font-weight:600;text-align:center;vertical-align:middle;margin-left:4px}
.tab-panel{display:none}
.tab-panel.active{display:block;animation:fadeSlideIn .35s ease-out}
@keyframes fadeSlideIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* Records */
.record-list{display:flex;flex-direction:column;gap:12px}
.record-item{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);transition:all .2s}
.record-item:hover{border-color:rgba(108,92,231,.2);background:var(--bg-card-hover)}
.record-left{flex:1;min-width:0}
.record-title{font-size:14px;font-weight:600;margin-bottom:4px}
.record-meta{font-size:12px;color:var(--text-muted);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.record-right{text-align:right;flex-shrink:0;margin-left:16px}
.record-money{font-size:18px;font-weight:700;color:var(--accent);font-family:var(--font-display)}
.record-state{font-size:12px;font-weight:600;margin-top:4px}
.state-paid{color:var(--success)}
.state-unpaid{color:var(--warning)}
.empty-hint{text-align:center;padding:40px;color:var(--text-muted);font-size:14px}

/* Pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:20px}
.page-btn{padding:6px 16px;border-radius:var(--radius-xs);border:1px solid var(--border);background:transparent;color:var(--text-dim);font-size:13px;cursor:pointer;transition:all .2s;font-family:var(--font-body)}
.page-btn:hover{border-color:var(--accent);color:var(--accent)}
.page-info{font-size:13px;color:var(--text-muted)}

/* Packages Page */
.packages-main{flex:1;padding:28px 32px;max-width:900px;margin:0 auto;width:100%}
.page-title{text-align:center;margin-bottom:32px}
.page-title h2{font-family:var(--font-display);font-size:24px;font-weight:700;margin-bottom:8px}
.page-title p{color:var(--text-muted);font-size:14px}
.current-count{margin-top:12px;font-size:14px;color:var(--text-dim)}
.current-count strong{color:var(--accent);font-size:18px}
.package-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}
.package-card{position:relative;background:var(--bg-card);border:2px solid var(--border);border-radius:var(--radius);padding:28px 24px;text-align:center;transition:all .3s;overflow:hidden}
.package-card:hover{border-color:var(--accent-light);transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,0,0,.08)}
.package-card.highlight{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.package-badge{position:absolute;top:0;right:0;background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff;font-size:11px;font-weight:600;padding:4px 14px;border-radius:0 0 0 var(--radius-sm)}
.package-name{font-size:18px;font-weight:700;margin-bottom:16px}
.package-price{margin-bottom:8px}
.price-symbol{font-size:18px;font-weight:600;color:var(--accent);vertical-align:top;line-height:1.6}
.price-num{font-size:42px;font-weight:800;color:var(--accent);font-family:var(--font-display);line-height:1}
.package-count{font-size:14px;color:var(--text-dim);margin-bottom:12px}
.package-intro{font-size:12px;color:var(--text-muted);line-height:1.6;margin-bottom:20px;min-height:40px}
.package-btn{width:100%;padding:12px;border-radius:var(--radius-sm);border:none;background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;font-family:var(--font-body)}
.package-btn:hover{box-shadow:0 4px 16px var(--accent-glow);transform:translateY(-1px)}

/* Modal */
.modal-overlay{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.modal-card{background:var(--bg-card);border-radius:var(--radius);padding:32px;width:90%;max-width:400px;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.modal-title{font-family:var(--font-display);font-size:18px;font-weight:700;text-align:center;margin-bottom:20px}
.modal-body{margin-bottom:24px}
.modal-actions{display:flex;gap:12px}
.modal-btn{flex:1;padding:12px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;font-family:var(--font-body)}
.modal-btn.cancel{border:1px solid var(--border);background:transparent;color:var(--text-dim)}
.modal-btn.cancel:hover{border-color:var(--accent);color:var(--text)}
.modal-btn.confirm{border:none;background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff}
.modal-btn.confirm:hover{box-shadow:0 4px 16px var(--accent-glow)}
.modal-btn:disabled{opacity:.5;cursor:not-allowed}

/* Toast */
.toast-container{position:fixed;top:80px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 20px;border-radius:var(--radius-sm);font-size:13px;color:#fff;animation:toastIn .3s ease-out;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);max-width:360px;box-shadow:0 4px 16px rgba(0,0,0,.15)}
.toast.success{background:rgba(0,184,148,.92)}
.toast.error{background:rgba(231,76,60,.92)}
.toast.info{background:rgba(108,92,231,.92)}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
@keyframes toastOut{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(20px)}}

/* Responsive */
@media(max-width:640px){
  header{padding:12px 16px}
  .profile-main,.packages-main{padding:20px 16px}
  .profile-card{flex-direction:column;text-align:center}
  .profile-meta{justify-content:center}
  .package-grid{grid-template-columns:1fr}
  .record-item{flex-direction:column;align-items:flex-start;gap:8px}
  .record-right{margin-left:0;text-align:left}
}

/* Toast inline for MVC */
.toast-show{padding:12px 20px;border-radius:var(--radius-sm);font-size:13px;color:#fff;text-align:center;margin-bottom:20px;animation:fadeSlideIn .35s ease-out}
.toast-show.success{background:rgba(0,184,148,.92)}
.toast-show.error{background:rgba(231,76,60,.92)}

/* Alert error */
.alert-error{padding:10px 16px;border-radius:var(--radius-sm);background:rgba(231,76,60,.1);color:var(--danger);font-size:13px;margin-bottom:16px}
.error-list{list-style:none;margin:0;padding:0}
.error-list li{margin-bottom:4px}